Watch List notes:

L. Calpurnius Piso Frugi. 90 BC. AR Denarius (20mm, 3.80 g, 10h). Rome mint. Laureate head of Apollo right; LXXXV to left / Horseman galloping right, carrying palm frond; CVI above, Roma monogram below exergual line in exergue. Crawford 340/1; Sydenham 661; Calpurnia 12; RBW 1256 var. (controls). A few scratches. VF. Rare variety with exergual line on reverse.

Ex Classical Numismatic Group Electronic Auction 390 (1 February 2017), lot 414.